Armstrong UHA (Ultra High Aspect) UHA570 hydrofoil front wing: 570 cm², 847 mm span, aspect ratio 12.60, with its closest equivalents from other brands within ±5% area and ±8% aspect ratio. Figures from Armstrong's own published specifications.
No current wing from another brand sits within ±5% of area and ±8% of aspect ratio of this one. It has no direct cross-brand equivalent in the dataset.
| Family | UHA |
|---|---|
| Size | UHA570 |
| Area, cm² | 570 |
| Area basis | unknown |
| Span, mm | 847 |
| Chord, mm | — |
| Aspect ratio | 12.60 |
| Band | C5 Very high aspect |
| Brand files it under | Glide / high aspect |
| Disciplines | — |
| Construction | carbon |
| Model year | 2026 |
| Source | manufacturer |
The brand's published aspect ratio agrees with its own span and area (span² ÷ area) to within 5%, so the figure is confirmed.
See Armstrong on the plot →Data current to August 2026. Fast Bobby is the researcher, never the reviewer: every figure above is the manufacturer's published claim, converted to comparable units, and nothing here is a riding impression.